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226807 (2004 RB217)
Classification: Main-belt Asteroid          SPK-ID: 2226807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792045734309565 4.1796e-08  
a 2.666645663483759 2.4185e-08 au
q 2.188770564867642 1.1314e-07 au
i 12.00360945279943 6.9094e-06 deg
node 237.8036156664521 2.8695e-05 deg
peri 56.08410460278972 3.6734e-05 deg
M 273.1716093408029 2.3846e-05 deg
tp 2459384.123890306935
(2021-Jun-18.62389031)
0.00010786 TDB
period 1590.546588068867
4.35
2.1638e-05
5.924e-08
d
yr
n .226337287257387 3.0791e-09 deg/d
Q 3.144520762099876 2.8518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5766  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:32  

Additional Information
 Earth MOID = 1.19815 au 
 Jupiter MOID = 2.0808 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433485  

226807 (2004 RB217)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Jul-27 03:13 00:07 Thisb 0.0396961762229866 0.039684416347963 0.0397079610520686 2.80690386339596 2.80690380220341 2419975.633815338 6.54237436371247 1687.27941412456 78.8333236177431 -69.8311780607629 70640.3637699698 T 19 CATAB v2.0f-lin.ifort 2020-May-21 10:30:52 2020-May-21 10:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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